Home / 59,303.65-81,858.09-39,178.39

Finding the Fourth Proportional to 59,303.65, 81,858.09 and 39,178.39

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Solution

The fourth proportional to 59,303.65, 81,858.09 and 39,178.39 is: 54,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303.65 : 81,858.09 = 39,178.39 : x
  2. Step 2: Convert to fraction form
    59,303.65/81,858.09 = 39,178.39/x
  3. Step 3: Cross multiply
    59,303.65x = 81,858.09 × 39,178.39
  4. Step 4: Simplify right side
    59,303.65x = 3,207,068,174.68
  5. Step 5: Solve for x
    x = 3,207,068,174.68/59,303.65
  6. Step 6: Final answer
    x = 54,078.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.